Castle Island
The following are designated as castle islands :
- Castle Island (Barmstedt) in Schleswig-Holstein; see also Rantzauer See
- Castle island in Hamburg-Harburg, see Harburg Castle
- Castle Island (Koepenick) in Berlin
- Castle Island (Lübben) in Brandenburg, see Lübben (Spreewald)
- Castle Island (Mirow) in Mirow
- Castle island in Schleswig in the Burgsee see Gottorf Castle
- Schwerin Castle Island in Lake Schwerin, see Schwerin Castle
- Castle Island (Wolgast) in the Peene River